/*
 * Activiti Modeler component part of the Activiti project
 * Copyright 2005-2014 Alfresco Software, Ltd. All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

/*
 * Sequence flow order controller
 */

var KisBpmSequenceFlowOrderCtrl = [
  '$scope',
  '$modal',
  '$timeout',
  '$translate',
  function ($scope, $modal, $timeout, $translate) {
    // Config for the modal window
    var opts = {
      template: 'editor-app/configuration/properties/sequenceflow-order-popup.html?version=' + Date.now(),
      scope: $scope,
    };

    $modal(opts);
  },
];

var KisBpmSequenceFlowOrderPopupCtrl = [
  '$scope',
  '$translate',
  function ($scope, $translate) {
    // Find the outgoing sequence flow of the current selected shape
    var outgoingSequenceFlow = [];
    var selectedShape = $scope.selectedShape;
    if (selectedShape) {
      var outgoingNodes = selectedShape.getOutgoingShapes();
      for (var i = 0; i < outgoingNodes.length; i++) {
        if (outgoingNodes[i].getStencil().title() === 'Sequence flow') {
          var targetActivity = outgoingNodes[i].getTarget();
          // We need the resourceId of a sequence flow, not the id because that will change with every editor load
          outgoingSequenceFlow.push({
            id: outgoingNodes[i].resourceId,
            targetTitle: targetActivity.properties['oryx-name'],
            targetType: targetActivity.getStencil().title(),
          });
        }
      }
    } else {
      console.log('Programmatic error: no selected shape found');
    }

    // Now we can apply the order which was (possibly) previously saved
    var orderedOutgoingSequenceFlow = [];
    if ($scope.property.value && $scope.property.value.sequenceFlowOrder) {
      var sequenceFlowOrderList = $scope.property.value.sequenceFlowOrder;

      // Loop the list of sequence flow that was saved  in the json model and match them with the outgoing sequence flow found above
      for (var flowIndex = 0; flowIndex < sequenceFlowOrderList.length; flowIndex++) {
        // find the sequence flow in the outgoing sequence flows.

        for (var outgoingFlowIndex = 0; outgoingFlowIndex < outgoingSequenceFlow.length; outgoingFlowIndex++) {
          if (outgoingSequenceFlow[outgoingFlowIndex].id === sequenceFlowOrderList[flowIndex]) {
            orderedOutgoingSequenceFlow.push(outgoingSequenceFlow[outgoingFlowIndex]);
            outgoingSequenceFlow.splice(outgoingFlowIndex, 1);
            break;
          }
        }
      }

      // Now all the matching sequence flow we're removed from the outgoing sequence flow list
      // We can simply apply the remaining ones (these are new vs. the time when the values were saved to the model)
      orderedOutgoingSequenceFlow = orderedOutgoingSequenceFlow.concat(outgoingSequenceFlow);
    } else {
      orderedOutgoingSequenceFlow = outgoingSequenceFlow;
    }

    // Now we can put it on the scope
    $scope.outgoingSequenceFlow = orderedOutgoingSequenceFlow;

    // Move up click handler
    $scope.moveUp = function (index) {
      var temp = $scope.outgoingSequenceFlow[index];
      $scope.outgoingSequenceFlow[index] = $scope.outgoingSequenceFlow[index - 1];
      $scope.outgoingSequenceFlow[index - 1] = temp;
    };

    // Move down click handler
    $scope.moveDown = function (index) {
      var temp = $scope.outgoingSequenceFlow[index];
      $scope.outgoingSequenceFlow[index] = $scope.outgoingSequenceFlow[index + 1];
      $scope.outgoingSequenceFlow[index + 1] = temp;
    };

    // Save click handler
    $scope.save = function () {
      if ($scope.outgoingSequenceFlow.length > 0) {
        $scope.property.value = {};
        $scope.property.value.sequenceFlowOrder = [];

        for (var flowIndex = 0; flowIndex < $scope.outgoingSequenceFlow.length; flowIndex++) {
          $scope.property.value.sequenceFlowOrder.push($scope.outgoingSequenceFlow[flowIndex].id);
        }
      } else {
        $scope.property.value = null;
      }

      $scope.updatePropertyInModel($scope.property);
      $scope.close();
    };

    // Cancel click handler
    $scope.cancel = function () {
      $scope.close();
    };

    // Close button handler
    $scope.close = function () {
      $scope.property.mode = 'read';
      $scope.$hide();
    };
  },
];
